#23339F#23339F

#23339F is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.7% C 0.174 H 269.4°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#23339F
RGB	rgb(35, 51, 159)
HSL	hsl(232, 64%, 38%)
HSV	hsv(232, 78%, 62%)
CMYK	cmyk(78%, 67.9%, 0%, 37.6%)
CIE-LAB	lab(27.37, 33.38, -60.07)
CIE-LCH	lch(27.37, 68.72, 299.06°)
OKLab	oklab(38.73% -0.0019 -0.1739)
OKLCH	oklch(38.73% 0.174 269.4)
XYZ	xyz(8.1328, 5.2273, 33.3745)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23339F #9F8F23

analogous

#23719F #23339F #51239F

triadic

#23339F #9F2333 #339F23

tetradic

#23339F #9F2371 #9F8F23 #239F51

square

#23339F #9F2371 #9F8F23 #239F51

split-complementary

#23339F #9F5123 #719F23

monochromatic

#0D133B #18236D #23339F #2E43D1 #6070DC

Accessibility & contrast

On white

10.27

#23339F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#23339F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23339F

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23339F	#FFFFFF	#000000	##FFFFFF
##23339F	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A2

Deuteranopia (green-blind)

#003B9D

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #23339f;
/* rgb */ color: rgb(35, 51, 159);
/* oklch */ color: oklch(38.7% 0.174 269.4);

Tailwind

colors: {
  custom: {
    50: '#736bbc',
    500: '#23339f',
    950: '#000000',
  },
}

SCSS

$custom: #23339f;
$custom-light: #736bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#23339f",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 159
  },
  "hsl": {
    "h": 232.258,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.3873,
    "c": 0.17387,
    "h": 269.4
  },
  "luminance": 0.05228
}

Semantic roles & 50–950 ramp

primary

#23339F

secondary

#C1B45D

accent

#D241E7

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #23339F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →